99 saturn ls2

I have a 99 saturn ls2 that wont start. It wont click whenu turn key to start nor will it crank over. when on auxilary radio dont work, dome light dont work, power locks dont work. Power windows work, dashboards gauges seem to work, headlights work. the keyless entry doesnt work. we have one of the code readers that you plug in and it dont even pick up the cars info or able to find the car when plug the reader into it. any help would be great. thanks for your time

i guess no one has any ideas either?